22
studies recruiting now
as of 7 Sept 2026
212
studies registered in total
as of 7 Sept 2026
5
countries with a recruiting site
as of 7 Sept 2026
26 Jun 2026
most recent study posted
among recruiting studies
Recruiting trials
ScATtEred Rare Disease Biobanks: a Model of Sample/Data Collection With susTainablE and Shared Criteria
PregnAncy-Related Aortic DISsEction in China
Mass Balance and Absolute Oral Bioavailability of [14C]VH4524184
Plasma Host-Microbe Proteomics to Predict Complications in High-risk Febrile Neutropenia
Showing the 5 most recently updated recruiting studies, as recorded 7 Sept 2026. Live status on each study page.
See all 22 recruiting studiesWhere recruiting studies are running
Countries with at least one recruiting site among the studies above, 7 Sept 2026. Tap a country to search trials there.
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We do not yet list a dedicated organisation for this condition. The directories below are the best route.
About MASS syndrome
RareTrial does not yet hold a plain-language description of this condition. The most reliable starting point is Orphanet’s expert page, which lists specialist centres, registries and patient organisations.
Information, not medical advice. Trial listings are shown as recorded on ClinicalTrials.gov; whether any study is right for you is a decision for you and your clinicians, and eligibility is decided by each research team. Disease information from Orphanet (CC BY 4.0).